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Paul Christiano AI safety researcher focused on alignment and scalable oversight. He founded the Alignment Research Center, previously led language-model alignment work at OpenAI, and helped develop reinforcement learning from human feedback.

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Paul Christiano AI safety researcher focused on alignment and scalable oversight. He founded the Alignment Research Center, previously led language-model alignment work at OpenAI, and helped develop reinforcement learning from human feedback.

Career

Board Member, OpenAI Foundation at OpenAI from 2026-09 to Present

Cosigns Received

These Cosigners would work with Paul anywhere

Henry WilliamsSpecial projects at OpenAI Strategic Futures
Reading Christiano's work was foundational for me in coming to grips with the risk of a loss of control. I share his sentiment that the current level of risk is not acceptable, and that OpenAl can significantly reduce it and put us on a better path by rising to the occasion.
Source
Sam AltmanBuilding OpenAI and the intelligence age
Second Cosign
Welcome, Paul. Grateful you are doing this, and all you have done for AI safety. Excited to work together again.
Source
vie ⟢
It's been a pretty difficult time to be an alignment researcher, but this has my timelines updating in the right direction. Important to note that he is joining a group with the power to delay deployments for safety reasons. This is cause for hope since Paul is indeed brilliant.
Source
Dean W. Ball
First Cosign
Paul is an exceptionally gifted researcher and a man of integrity. I’m delighted by this news; there is no better person for the moment.
Source
Kevin RooseCo-host of Machine Gods; author of The AGI Chronicles
Third Cosign
Paul is one of the ~3 most credible AI safety experts in the world. Co-invented RLHF, served at US CAISI, a real OG in LessWrong x-risk circles. (His early debates with Eliezer Yudkowsky are famous among the safety crowd and people still cite his "What Failure Looks Like" post from 2019.) He is joining the OpenAI nonprofit board now because he now believes "there is a meaningful risk that rapid acceleration in AI capabilities leads to catastrophic and irreversible loss of control in the very near term." Shit is getting real!
Source
Dwarkesh PatelHost of the Dwarkesh Podcast; angel investor
Aside from his other contributions, Paul has perhaps the best OG track record in the world for predicting the timeline and the nature of the AI takeoff:
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Liv BoereeGame-theory researcher, Win-Win host and former poker champion
Paul is nuanced, principled and thoughtful, and I recommend following him
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Sarah Constantinprogram development at Principles of Intelligence
more than anybody else, defined & predicted the world we're now living in.
Source

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